Implemented basic external "write-file" function

* accepts a path parameter and the content to be written
* removed target parameter form FunctionTransform
** transformation result is now returned as a string
*** nodeset return value is planned
** e.g. writing the result to the fs is optional and has to be achieved using FunctionWriteFile
* changed "transform" test case accordingly
* this marks a paradigm shift and is the continuation of the changes described in 741a70f
** InputXSLT now also implements a output function
* added basic io error handling to FunctionReadFile

1 files changed, 28 insertions, 0 deletions

diff --git a/src/function/write_file.h b/src/function/write_file.h
new file mode 100644
index 0000000..2260055
--- /dev/null
+++ b/src/function/write_file.h
@@ -0,0 +1,28 @@
+#ifndef INPUTXSLT_SRC_FUNCTION_WRITE_FILE_H_
+#define INPUTXSLT_SRC_FUNCTION_WRITE_FILE_H_
+
+#include "base.h"
+
+namespace InputXSLT {
+
+class FunctionWriteFile : public FunctionBase<
+	FunctionWriteFile,
+	boost::filesystem::path,
+	std::string
+> {
+	public:
+		using FunctionBase::FunctionBase;
+
+	protected:
+		friend FunctionBase;
+
+		xercesc::DOMDocument* constructDocument(
+			boost::filesystem::path,
+			std::string
+		);
+
+};
+
+}
+
+#endif  // INPUTXSLT_SRC_FUNCTION_WRITE_FILE_H_